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Split UClassHelpers unit into three separate units
New units are: * ClassHelpers.UActions * ClassHelpers.UControls * ClassHelpers.UGraphics
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5 files changed

+125
-82
lines changed

5 files changed

+125
-82
lines changed

‎Src/ClassHelpers.UActions.pas‎

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{
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* This Source Code Form is subject to the terms of the Mozilla Public License,
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* v. 2.0. If a copy of the MPL was not distributed with this file, You can
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* obtain one at https://mozilla.org/MPL/2.0/
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*
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* Copyright (C) 2012-2024, Peter Johnson (gravatar.com/delphidabbler).
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*
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* Class helper for TCustomActionList
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*
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* Extracted in 2024 from original UClassHelpers unit (2012-2021)
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}
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unit ClassHelpers.UActions;
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interface
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uses
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// Delphi
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ActnList;
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type
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/// <summary>Class helper that adds a method to TCustomActionList that can
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/// update all the actions in the list.</summary>
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TActionListHelper = class helper for TCustomActionList
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public
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/// <summary>Updates all actions in the action list by calling their Update
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/// methods.</summary>
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procedure Update;
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end;
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implementation
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{ TActionListHelper }
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procedure TActionListHelper.Update;
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var
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Action: TContainedAction; // each action in list
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begin
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for Action in Self do
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Action.Update;
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end;
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end.

‎Src/ClassHelpers.UControls.pas‎

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{
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* This Source Code Form is subject to the terms of the Mozilla Public License,
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* v. 2.0. If a copy of the MPL was not distributed with this file, You can
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* obtain one at https://mozilla.org/MPL/2.0/
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*
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* Copyright (C) 2012-2024, Peter Johnson (gravatar.com/delphidabbler).
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*
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* Class helper for TControl.
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*
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* Extracted in 2024 from original UClassHelpers unit (2012-2021).
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}
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unit ClassHelpers.UControls;
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interface
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uses
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// Delphi
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Controls, Menus;
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type
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/// <summary>Class helper that adds functionality to TControl.</summary>
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TControlHelper = class helper for TControl
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public
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/// <summary>Gets reference to pop-up menu assigned to protected PopupMenu
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/// property.</summary>
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function GetPopupMenu: TPopupMenu;
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/// <summary>Checks if protected PopupMenu property is assigned.</summary>
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function HasPopupMenu: Boolean;
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/// <summary>Refreshes control's action. Any changes in action that affect
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/// state of control are reflected in control.</summary>
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procedure RefreshAction;
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/// <summary>Refreshes all owned controls to reflect any changes in their
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/// associated actions.</summary>
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procedure RefreshActions;
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end;
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implementation
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{ TControlHelper }
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function TControlHelper.GetPopupMenu: TPopupMenu;
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begin
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Result := PopupMenu;
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end;
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function TControlHelper.HasPopupMenu: Boolean;
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begin
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Result := Assigned(PopupMenu);
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end;
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procedure TControlHelper.RefreshAction;
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begin
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if Assigned(Action) then
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ActionChange(Action, False);
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end;
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procedure TControlHelper.RefreshActions;
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var
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Idx: Integer; // loops through all controls
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begin
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for Idx := 0 to Pred(ComponentCount) do
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if Components[Idx] is TControl then
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(Components[Idx] as TControl).RefreshAction;
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end;
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end.
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‎Src/UClassHelpers.pas‎ renamed to ‎Src/ClassHelpers.UGraphics.pas‎

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* v. 2.0. If a copy of the MPL was not distributed with this file, You can
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* obtain one at https://mozilla.org/MPL/2.0/
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*
6-
* Copyright (C) 2012-2021, Peter Johnson (gravatar.com/delphidabbler).
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* Copyright (C) 2012-2024, Peter Johnson (gravatar.com/delphidabbler).
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*
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* Provides various class helpers for VCL classes.
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* Provides class helpers for VCL image classes.
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*
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* Extracted from in 2024 original UClassHelpers unit (2012-2021).
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}
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unit UClassHelpers;
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{ TODO: Separate different helpers into their own units, within a ClassHelpers
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scope. E.g. ClassHelpers.Controls, ClassHelper.Graphics }
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unit ClassHelpers.UGraphics;
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interface
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uses
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// Delphi
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Controls, Menus, ImgList, Graphics, ActnList, GIFImg;
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type
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/// <summary>Class helper that adds functionality to TControl.</summary>
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TControlHelper = class helper for TControl
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public
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/// <summary>Gets reference to pop-up menu assigned to protected PopupMenu
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/// property.</summary>
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function GetPopupMenu: TPopupMenu;
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/// <summary>Checks if protected PopupMenu property is assigned.</summary>
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function HasPopupMenu: Boolean;
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/// <summary>Refreshes control's action. Any changes in action that affect
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/// state of control are reflected in control.</summary>
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procedure RefreshAction;
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/// <summary>Refreshes all owned controls to reflect any changes in their
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/// associated actions.</summary>
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procedure RefreshActions;
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end;
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ImgList, Graphics, GIFImg;
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type
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/// <summary>Class helper that adds a method to TCustomImageList that can
@@ -62,16 +41,6 @@ TImageListHelper = class helper for TCustomImageList
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Size: Integer; MaskColour: TColor);
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end;
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type
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/// <summary>Class helper that adds a method to TCustomActionList that can
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/// update all the actions in the list.</summary>
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TActionListHelper = class helper for TCustomActionList
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public
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/// <summary>Updates all actions in the action list by calling their Update
71-
/// methods.</summary>
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procedure Update;
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end;
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type
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/// <summary>Class helper that adds a method to TGIFImage that adds a similar
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/// method to one present in 3rd party TGIFImage to load an image from
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const ResType: PChar);
8857
end;
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implementation
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uses
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// Delphi
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Classes;
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98-
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{ TControlHelper }
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function TControlHelper.GetPopupMenu: TPopupMenu;
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begin
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Result := PopupMenu;
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end;
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function TControlHelper.HasPopupMenu: Boolean;
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begin
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Result := Assigned(PopupMenu);
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end;
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111-
procedure TControlHelper.RefreshAction;
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begin
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if Assigned(Action) then
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ActionChange(Action, False);
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end;
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procedure TControlHelper.RefreshActions;
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var
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Idx: Integer; // loops through all controls
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begin
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for Idx := 0 to Pred(ComponentCount) do
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if Components[Idx] is TControl then
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(Components[Idx] as TControl).RefreshAction;
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end;
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{ TImageListHelper }
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12867
procedure TImageListHelper.LoadFromResource(ResType: PChar;
@@ -181,16 +120,6 @@ procedure TImageListHelper.LoadFromResource(ResType: PChar;
181120
end;
182121
end;
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184-
{ TActionListHelper }
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186-
procedure TActionListHelper.Update;
187-
var
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Action: TContainedAction; // each action in list
189-
begin
190-
for Action in Self do
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Action.Update;
192-
end;
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194123
{ TGIFImageHelper }
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196125
procedure TGIFImageHelper.LoadFromResource(const Module: HMODULE;
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207136
end;
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end.
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‎Src/CodeSnip.dpr‎

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* v. 2.0. If a copy of the MPL was not distributed with this file, You can
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* obtain one at https://mozilla.org/MPL/2.0/
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*
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* Copyright (C) 2005-2023, Peter Johnson (gravatar.com/delphidabbler).
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* Copyright (C) 2005-2024, Peter Johnson (gravatar.com/delphidabbler).
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*
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* CodeSnip application project file.
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}
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UBrowseProtocol in 'UBrowseProtocol.pas',
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UCategoryAction in 'UCategoryAction.pas',
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UCategoryListAdapter in 'UCategoryListAdapter.pas',
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UClassHelpers in 'UClassHelpers.pas',
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ClassHelpers.UControls in 'ClassHelpers.UControls.pas',
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UClipboardHelper in 'UClipboardHelper.pas',
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UCodeImportExport in 'UCodeImportExport.pas',
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UCodeImportMgr in 'UCodeImportMgr.pas',
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FmDeleteUserDBDlg in 'FmDeleteUserDBDlg.pas' {DeleteUserDBDlg},
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Compilers.UAutoDetect in 'Compilers.UAutoDetect.pas',
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Compilers.USettings in 'Compilers.USettings.pas',
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FmRegisterCompilersDlg in 'FmRegisterCompilersDlg.pas' {RegisterCompilersDlg};
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FmRegisterCompilersDlg in 'FmRegisterCompilersDlg.pas' {RegisterCompilersDlg},
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ClassHelpers.UGraphics in 'ClassHelpers.UGraphics.pas',
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ClassHelpers.UActions in 'ClassHelpers.UActions.pas';
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// Include resources
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{$Resource ExternalObj.tlb} // Type library file

‎Src/CodeSnip.dproj‎

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<DCCReference Include="UBrowseProtocol.pas"/>
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<DCCReference Include="UCategoryAction.pas"/>
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<DCCReference Include="UCategoryListAdapter.pas"/>
397-
<DCCReference Include="UClassHelpers.pas"/>
397+
<DCCReference Include="ClassHelpers.UControls.pas"/>
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<DCCReference Include="UClipboardHelper.pas"/>
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<DCCReference Include="UCodeImportExport.pas"/>
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<DCCReference Include="UCodeImportMgr.pas"/>
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<DCCReference Include="FmRegisterCompilersDlg.pas">
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<Form>RegisterCompilersDlg</Form>
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</DCCReference>
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<DCCReference Include="ClassHelpers.UGraphics.pas"/>
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<DCCReference Include="ClassHelpers.UActions.pas"/>
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<None Include="CodeSnip.todo"/>
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<BuildConfiguration Include="Base">
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<Key>Base</Key>

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